Observations

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How to reach: To reach the tidal bench marks from the city of Port Mansfield, Willacy County, Texas travel northerly up the Gulf Intracoastal Waterway (GICW) approximately 24.9 km (15.5 mi) to USCG day beacon structure #24. The gauge station is on a 1.83 m x 1.83 m (6.0 ft x 6.0 ft) platform about 15.24 m (50.0 ft) east of the USCG marker #5. The benchmarks are on the spoil island to the east of the gauge structure.